diff --git a/phpBB/includes/db/mysqli.php b/phpBB/includes/db/mysqli.php
index 46c2f9210b..456ce906d0 100644
--- a/phpBB/includes/db/mysqli.php
+++ b/phpBB/includes/db/mysqli.php
@@ -249,7 +249,13 @@ class dbal_mysqli extends dbal
 			return $cache->sql_fetchrow($query_id);
 		}
 
-		return ($query_id !== false) ? @mysqli_fetch_assoc($query_id) : false;
+		if ($query_id !== false)
+		{
+			$result = @mysqli_fetch_assoc($query_id);
+			return $result !== null ? $result : false;
+		}
+
+		return false;
 	}
 
 	/**
diff --git a/tests/dbal/select_test.php b/tests/dbal/select_test.php
index e0d08d9306..8ddd27465d 100644
--- a/tests/dbal/select_test.php
+++ b/tests/dbal/select_test.php
@@ -319,7 +319,7 @@ class phpbb_dbal_select_test extends phpbb_database_test_case
 		$db->sql_freeresult($result);
 	}
 
-	function test_nested_transactions()
+	public function test_nested_transactions()
 	{
 		$db = $this->new_dbal();
 
@@ -341,4 +341,20 @@ class phpbb_dbal_select_test extends phpbb_database_test_case
 
 		$this->assertEquals('1', $row['user_id']);
 	}
+
+	/**
+	 * fix for PHPBB3-10307
+	 */
+	public function test_sql_fetchrow_returns_false_when_empty()
+	{
+		$db = $this->new_dbal();
+
+		$sql = 'SELECT * FROM (SELECT 1) AS TBL WHERE 1 = 0';
+		$result = $db->sql_query($sql);
+
+		$row = $db->sql_fetchrow($result);
+		$db->sql_freeresult($result);
+
+		$this->assertSame(false, $row);
+	}
 }